Mike, maybe the E-mail I'v found just now will explain you better. www.mail-archive.com/leapsecs@rom.usno.navy.mil/msg00084.html Regards Igor -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Mike Singer Sent: Sunday, June 08, 2003 6:27 PM To: PICLIST@MITVMA.MIT.EDU Subject: Re: [PIC]: Yet another squeezed-app challenge... Igor Pokorny wrote: > The mains supply in whole Europe is long term > stabilized to have 50 Hz in 24 hours, ie. 4320000 cycles. Any links to prove this statement, please. Mike. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.